Main Navigation Skip to main content

Used 2021 Mercedes-Benz GLS450 near me for sale


13 matches

Get pre-qualified with
no impact to your credit

Shop with your

personalized terms

Sell us your car

Selling or trading in?

We want your car.

2021 Mercedes-Benz GLS450 customer reviews

Overall rating (based on 2 reviews)
3.0
5 star
1
4 star
0
3 star
0
2 star
0
1 star
1
Write a review
A great car with power and features

PROS
Technology and Entertainment

Tech in this car is great! It does what one would expect of a luxury vehicle. However, vehicle customization abilities lag its competitors

Ride and Handling

comfortable seating with an ability to customize the fit. the finish feels like it should with luxurious materials.

Cabin Noise

very quiet ride with very minimal noise for the size and design even at high speeds.

CONS
Dashboard

sometimes the driver’s console takes a bit of time to start. The ability to customize the ride is less than its competitors.

John
Aug 10, 2025
faulty engine

PROS
Interior Space
CONS
Reliability

engine died as I’m driving and I could’ve been killed

Technology and Entertainment

AC and heat doesn’t work properly

nahla
Jan 30, 2023
View all (2)

2021 Mercedes-Benz GLS450 FAQs

The 2021 Mercedes-Benz GLS450 has received an average 3.0 out of 5 stars from our customers. If you're in the market for a 2021 Mercedes-Benz GLS450, check out reviews from customers just like you.

The Mercedes-Benz GLS450 received a rating of 3.5 out of 5 stars from RepairPal, which RepairPal describes as Above Average. This rating ranks the Mercedes-Benz GLS450 as 5 out of 20 among Luxury Fullsize SUV

Here are the pros and cons of the 2021 Mercedes-Benz GLS450: Pros - Interior Space - Technology and Entertainment - Ride and Handling Cons - Reliability - Technology and Entertainment - Dashboard

Here is what's new for the 2021 Mercedes-Benz GLS450: - A/C Seat(s) - 20 Inch Plus Wheels - Run Flat Tires

The 2021 Mercedes-Benz GLS450 offers the following fuel efficiency options: • Gas: 20 city / 24 highway MPG Actual mileage may vary based on driving conditions, vehicle condition, and driving habits.

This price does not include tax, title, and tags. Additional fees may also apply depending on the state of purchase.

*Price excludes state and local taxes, title, registration, tags, and any optional products or services. Price assumes that final purchase will be made in the State of FL, unless vehicle is non-transferable. Vehicle subject to prior sale. Applicable transfer/shipping fees are due in advance of vehicle delivery and are separate from sales transactions. Limited warranty is 30 days. See store for details. We make every effort to provide accurate information, but please verify before purchasing.

CarMax delivery is available within a 60-mile radius of select stores. Not available to customers in all states. Please contact your nearest store for details.